11215400504303 has 2 divisors, whose sum is σ = 11215400504304. Its totient is φ = 11215400504302.

The previous prime is 11215400504261. The next prime is 11215400504359. The reversal of 11215400504303 is 30340500451211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11215400504303 - 2¹⁴ = 11215400487919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11215400501303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607700252151 + 5607700252152.

It is an arithmetic number, because the mean of its divisors is an integer number (5607700252152).

Almost surely, 2^{11215400504303} is an apocalyptic number.

11215400504303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215400504303 is an equidigital number, since it uses as much as digits as its factorization.

11215400504303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11215400504303 its reverse (30340500451211), we get a palindrome (41555900955514).

The spelling of 11215400504303 in words is "eleven trillion, two hundred fifteen billion, four hundred million, five hundred four thousand, three hundred three".